Asia
Japan, Oman
China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey
Afrika
South Africa
Morocco, South Africa
Eropah
France, Germany, Italy
Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland
lain
pulau hawaii, mid-Atlantik ridge
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Amerika Utara
Canada, USA
Canada, USA
Amerika Selatan
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Argentina, Brazil, Kolumbia, Ekuador, venezuela
deposito di oceania benua
Australia
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New Zealand, Western Australia